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- W4387598400 abstract "Malaysia encounters a consistent rise in the generation of solid waste and leachate on a daily basis. It should also be noted that leachate has a low degree of biodegradability (BOD5 /COD), as shown by its BOD5 /COD ratio. Its high toxicity levels significantly threaten the environment, water bodies, and human well-being. High concentrations of chemical oxygen demand (COD), colour, and ammoniacal nitrogen (NH3 -N) in leachate prevent this wastewater from being allowed to be discharged directly into the water body. Therefore, an effective process to remove the pollutant is desired. The aims of this study are to investigate the performance of ozonation with two metallic compounds, ZrCl4 and SnCl4 and optimise their performance using response surface methodology (RSM). In this study, the performance of ozonation with ZrCl4 (O3 /ZrCl4 ) recorded better pollutant removals compared to the ozonation with tin tetrachloride (O3 /SnCl4 ), as seen in the removals of 99.8%, 93.5% and 46.3% for colour, COD and NH3 -N, respectively. These removals were achieved by following the experimental model (optimum experiment condition) generated by RSM at O3 dosage of 31 g/m3 , COD and ZrCl4 dosage ratio (COD, mg/L/ZrCl4 , mg/L) of 1:1.35, with the pH solution of 8.78 and reaction time of 89 min. The R2 of each parameter for this model was recorded as 0.999 (COD), 0.999 (colour), and 0.998 (NH3 -N), respectively. This data indicated that the model is well fitted as the predicted data by statistical calculation and in good agreement with the actual data." @default.
- W4387598400 created "2023-10-14" @default.
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- W4387598400 date "2023-10-12" @default.
- W4387598400 modified "2023-10-14" @default.
- W4387598400 title "Optimization of Stabilized Anaerobic Landfill Leachate Treatment Using Ozonation with Metallic compound using Respond Surface Methodology" @default.
- W4387598400 doi "https://doi.org/10.1002/wer.10941" @default.
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- W4387598400 hasPublicationYear "2023" @default.
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